ns4 = document.layers && true;
  msie = document.all && true;
  mpos = '02'; // position of this page in the nav menu

  function img_preld() {
	var d=document; if(!d.preld_imgs) { d.preld_imgs=new Array(); }
	for(var i=0; i<arguments.length; i++) 	
		{ d.preld_imgs[i]=new Image; d.preld_imgs[i].src=arguments[i]; }
  }
  function nov(ix) {
	document.getElementById('ni'+ix).src = "images/buttons/wake.jpg";
	document.getElementById('mt'+ix).style.color = "blue";
  }
  function nou(ix) {
	if (ix == mpos)	{ document.getElementById('ni'+ix).src = "images/buttons/dash.jpg"; }
	else	{ document.getElementById('ni'+ix).src = "images/buttons/doze.jpg"; }
	document.getElementById('mt'+ix).style.color = "black";
  }
  function ndo(ix) {
	document.getElementById('ni'+ix).src = "images/buttons/dash.jpg";
	document.getElementById('mt'+ix).style.color = "yellow";
  }
  function init() {
	img_preld('images/buttons/wake.jpg', 'images/buttons/dash.jpg');
	document.getElementById('ni'+mpos).src = "images/buttons/dash.jpg";
  }
  var mapopen = false;
  function automap(gps_id)
  {			
	//if (mapopen) { mwin.pos_frame.location.href="samui_map/mapcmn/posfrm.php?id="+gps_id; mwin.focus(); }
	//else {
		mwin=open("samui_map/mapcmn/emap.html?id="+gps_id,
			"Map_Window",
			"toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,width=600,height=490");
    		mwin.focus();
		 mapopen = true;
	//}
  }